/* ============================================
   同路者企业服务 - 公司官网样式
   主色调: #076CE0 (专业蓝)
   辅助色: #E64A19 (橙色高亮)
   ============================================ */

/* === CSS 变量 === */
:root {
  --color-primary: #076CE0;
  --color-primary-dark: #054BB0;
  --color-primary-light: #E8F0FE;
  --color-accent: #E64A19;
  --color-accent-hover: #CC3D0E;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F7FA;
  --color-bg-dark: #1B3A6B;
  --color-bg-footer: #0A1F3D;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-white: #FFFFFF;
  --color-border: #E8E8E8;
  --color-border-light: #F0F0F0;
  --font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 80px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.15);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
}

/* === 重置与基础 === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* === 顶部导航 === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-bg);
  border-bottom: 3px solid var(--color-primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo img {
  height: 50px;
  width: auto;
}

.logo-text {
  display: none;
}

.logo-text h1 {
  display: none;
}

.logo-text span {
  display: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 8px 16px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: 4px;
  transition: var(--transition);
  white-space: nowrap;
}

.nav a:hover,
.nav a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-phone i {
  font-size: 20px;
}

/* 导航汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
  border-radius: 2px;
}

/* === Banner 轮播 === */
.banner {
  margin-top: var(--header-height);
  position: relative;
  overflow: hidden;
  height: 500px;
}

.banner-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.banner-slide.active {
  opacity: 1;
}

.banner-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-text-white);
  max-width: 800px;
  padding: 0 20px;
}

.banner-btn {
  display: inline-block;
  padding: 14px 40px;
  background: var(--color-primary);
  color: var(--color-text-white);
  font-size: 16px;
  font-weight: 600;
  border-radius: 30px;
  transition: var(--transition);
}

.banner-btn:hover {
  background: var(--color-primary-dark);
  color: var(--color-text-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(7, 108, 224, 0.4);
}

/* 轮播指示器 */
.banner-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.banner-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.banner-dot.active {
  background: var(--color-text-white);
  transform: scale(1.2);
}

/* 轮播箭头 */
.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: var(--color-text-white);
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.banner-arrow:hover {
  background: rgba(255, 255, 255, 0.4);
}

.banner-arrow.prev {
  left: 20px;
}

.banner-arrow.next {
  right: 20px;
}

/* === 通用区块 === */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.section-title .subtitle {
  font-size: 14px;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.section-title .divider {
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin: 15px auto 0;
  border-radius: 2px;
}

/* === 服务概览 === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid var(--color-border-light);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.service-card .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--color-primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--color-primary);
  transition: var(--transition);
}

.service-card:hover .icon {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

.service-card p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.service-card .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
}

.service-card .link-arrow i {
  font-size: 12px;
  transition: var(--transition);
}

.service-card:hover .link-arrow i {
  transform: translateX(3px);
}

/* === 关于我们摘要 === */
.about-summary {
  display: flex;
  align-items: center;
  gap: 60px;
}

.about-summary .text {
  flex: 1;
  text-align: right;
  order: 2;
}

.about-summary .text h3 {
  font-size: 28px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.about-summary .text .en-title {
  font-size: 16px;
  color: var(--color-text-light);
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.about-summary .text p {
  font-size: 14px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.about-summary .text .highlight {
  font-weight: 700;
  color: var(--color-accent);
}

.about-summary .image {
  flex: 0 0 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.about-summary .image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

/* === 关于我们 - 图片卡片 === */
.about-photo-cards {
  flex: 0 0 420px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  order: 1;
}

.about-photo-card {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100px;
}

.about-photo-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.about-photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-photo-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 2px;
  transition: var(--transition);
}

.about-photo-card:hover .about-photo-label {
  background: rgba(7, 108, 224, 0.6);
}

/* === 服务流程 === */
.process-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.process-column {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.process-image {
  flex: 0 0 auto;
}

.process-image img {
  width: 108px;
  height: auto;
  display: block;
}

.process-column-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.process-step {
  text-align: left;
}

.process-step .step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step h4 {
  font-size: 18px;
  color: var(--color-text);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 0;
  max-width: 280px;
}

/* === 服务流程（深色背景） === */
.process-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
}

.process-dark .subtitle {
  color: rgba(255,255,255,0.6);
}

.process-dark .section-title h2 {
  color: #fff;
}

.process-dark .process-step h4 {
  color: #fff;
}

.process-dark .process-step p {
  color: rgba(255,255,255,0.75);
}

.process-dark .divider {
  background: var(--color-accent);
}

/* === 常见问题 === */
.faq-section {
  background: var(--color-bg-dark);
}

.faq-section .section-title h2 {
  color: var(--color-text-white);
}

.faq-section .section-title .subtitle {
  color: rgba(255, 255, 255, 0.6);
}

.faq-section .section-title .divider {
  background: var(--color-accent);
}

.faq-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.faq-tab {
  padding: 10px 28px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
}

.faq-tab:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-text-white);
}

.faq-tab.active {
  background: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  margin-bottom: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

.faq-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.faq-item a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  flex: 1;
}

.faq-item a:hover {
  color: var(--color-text-white);
}

.faq-item .date {
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
  flex-shrink: 0;
  margin-left: 16px;
}

/* === 常见问题 - 原版3列布局 === */
.faq-section-original {
  background: var(--color-bg);
}

.faq-original-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.faq-original-col {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  transition: var(--transition);
}

.faq-original-col:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.faq-original-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary-light);
}

.faq-original-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.faq-original-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border-light);
  line-height: 1.6;
}

.faq-original-list li:last-child {
  border-bottom: none;
}

.faq-original-list li a {
  font-size: 14px;
  color: var(--color-text-light);
  transition: var(--transition);
  display: block;
}

.faq-original-list li a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.faq-original-more {
  text-align: right;
  margin-top: 12px;
}

.faq-original-more a {
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 500;
}

.faq-original-more a:hover {
  color: var(--color-primary-dark);
}

@media (max-width: 991px) {
  .faq-original-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
}

/* === 页脚 === */
.footer {
  background: var(--color-bg-footer);
  color: rgba(255, 255, 255, 0.8);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.footer-wechat {
  text-align: center;
}

.footer-wechat img {
  width: 140px;
  height: 140px;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,0.1);
  display: block;
  margin: 0 auto 10px;
}

.footer-wechat p {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin: 0;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-primary);
}

.footer-col p {
  font-size: 13px;
  line-height: 1.8;
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  display: block;
  padding: 4px 0;
}

.footer-col a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 13px;
  align-items: flex-start;
}

.footer-contact li i {
  color: var(--color-primary);
  margin-top: 4px;
  flex-shrink: 0;
}

.footer-phone {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  margin: 10px 0 5px;
}

.footer-bottom {
  margin-top: 40px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* === 回到顶部 === */
.back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  z-index: 999;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: var(--color-text-white);
  border: none;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
}

/* === 服务展示网格 === */
.service-showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.showcase-card {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  aspect-ratio: 4/3;
}

.showcase-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.showcase-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.showcase-card:hover img {
  transform: scale(1.08);
}

.showcase-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  padding: 30px 20px 20px;
  color: var(--color-text-white);
  transition: var(--transition);
}

.showcase-overlay h3 {
  font-size: 18px;
  margin-bottom: 6px;
  font-weight: 600;
}

.showcase-overlay span {
  font-size: 13px;
  opacity: 0.9;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.showcase-card:hover .showcase-overlay span {
  gap: 10px;
  color: var(--color-accent);
}

/* === 服务行业网格 === */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 10px;
}

.industry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 30px 16px;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
  cursor: default;
}

.industry-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.industry-item i {
  font-size: 36px;
  color: var(--color-primary);
  transition: var(--transition);
}

.industry-item:hover i {
  color: var(--color-accent);
  transform: scale(1.1);
}

.industry-item span {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
}

/* === 为什么选择我们 === */
.why-choose-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.why-choose-item {
  text-align: center;
  padding: 30px 16px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
}

.why-choose-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.why-choose-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 16px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-primary-light);
  transition: var(--transition);
}

.why-choose-item:hover .why-choose-icon {
  border-color: var(--color-primary);
}

.why-choose-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.why-choose-item h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.why-choose-item p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* === 创业服务一站式CTA === */
.cta-banner {
  background: var(--color-bg-dark);
  text-align: center;
  padding: 80px 0;
}

.cta-banner-content h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text-white);
  margin-bottom: 16px;
}

.cta-banner-content p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 30px;
}

/* === FAQ详情页样式 === */
.faq-detail-content {
  padding: 0;
}

.faq-detail-content h2 {
  font-size: 22px;
  color: var(--color-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary-light);
}

.faq-detail-content h3 {
  font-size: 18px;
  color: var(--color-text);
  margin: 24px 0 12px;
}

.faq-detail-content p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.faq-detail-content ol,
.faq-detail-content ul {
  margin: 12px 0 20px 24px;
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-light);
}

.faq-detail-content ol li,
.faq-detail-content ul li {
  margin-bottom: 4px;
}

.faq-detail-content li strong {
  color: var(--color-primary);
}

/* === 常见问题汇总页 === */
.faq-category {
  margin-bottom: 36px;
}

.faq-category h3 {
  font-size: 18px;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary-light);
}

.faq-category-list {
  list-style: none;
  padding: 0;
}

.faq-category-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border-light);
}

.faq-category-list li:last-child {
  border-bottom: none;
}

.faq-category-list li a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.faq-category-list li a:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

.faq-category-list li a::before {
  content: '\f059';
  font-family: 'Font Awesome 6 Free';
  font-weight: 400;
  color: var(--color-primary);
  font-size: 14px;
}

/* === 服务展示区图片 === */
.service-showcase-img {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.service-showcase-img img {
  width: 100%;
  height: auto;
  display: block;
}

/* === 资质荣誉/合作伙伴网格 === */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.partner-item {
  text-align: center;
  padding: 36px 20px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
}

.partner-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.partner-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--color-primary);
  transition: var(--transition);
}

.partner-item:hover .partner-icon {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.partner-item h4 {
  font-size: 16px;
  color: var(--color-text);
  margin-bottom: 8px;
}

.partner-item p {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* === 资质荣誉图片展示 === */
.qualifications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cert-image-wrapper {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cert-image-wrapper img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.qualification-item {
  text-align: center;
  padding: 30px 20px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.qualification-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.qualification-img {
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  overflow: hidden;
  background: #f8f9fa;
  border: 3px solid var(--color-primary-light);
  transition: var(--transition);
}

.qualification-item:hover .qualification-img {
  border-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(7, 108, 224, 0.15);
}

.qualification-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qualification-item h4 {
  font-size: 16px;
  color: var(--color-text);
  margin-bottom: 10px;
}

.qualification-item p {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.7;
}

/* === 社交分享悬浮按钮 === */
.social-share {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.social-share-item {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--color-text-white);
  font-size: 20px;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.social-share-item:hover {
  transform: translateX(-4px);
  box-shadow: var(--shadow-md);
  color: var(--color-text-white);
}

.social-share-item.qq { background: #12B7F5; }
.social-share-item.wechat { background: #07C160; }
.social-share-item.phone { background: var(--color-accent); }
.social-share-item.share { background: var(--color-primary); }

/* === 内部页面通用 === */
.page-banner {
  margin-top: var(--header-height);
  background: var(--color-bg-dark);
  padding: 60px 0;
  text-align: center;
  color: var(--color-text-white);
}

.page-banner h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 10px;
}

.page-banner .breadcrumb {
  font-size: 13px;
  opacity: 0.7;
}

.page-banner .breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
}

.page-banner .breadcrumb a:hover {
  color: var(--color-text-white);
}

.page-content {
  padding: 60px 0;
}

.page-layout {
  display: flex;
  gap: 40px;
}

.page-main {
  flex: 1;
  min-width: 0;
}

.page-sidebar {
  width: 300px;
  flex-shrink: 0;
}

.sidebar-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 30px;
  margin-bottom: 24px;
}

.sidebar-card h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
}

.sidebar-nav a {
  display: block;
  padding: 10px 16px;
  margin-bottom: 4px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--color-text);
  transition: var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.sidebar-contact {
  background: var(--color-primary);
  color: var(--color-text-white);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
}

.sidebar-contact h4 {
  color: var(--color-text-white);
  border-bottom-color: rgba(255, 255, 255, 0.3);
}

.sidebar-contact .phone {
  font-size: 24px;
  font-weight: 700;
  margin: 12px 0;
}

.sidebar-contact .btn {
  display: inline-block;
  padding: 10px 30px;
  background: var(--color-accent);
  color: var(--color-text-white);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  margin-top: 8px;
}

.sidebar-contact .btn:hover {
  background: var(--color-accent-hover);
  color: var(--color-text-white);
}

/* === 关于我们页面 === */
.about-content h2 {
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary-light);
}

.about-content p {
  font-size: 14px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.about-content .honor {
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  padding: 20px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0;
}

.about-content .honor h3 {
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.about-content .honor p {
  margin-bottom: 0;
  color: var(--color-text);
  font-weight: 500;
}

/* === 联系我们页面 === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-info-card h3 {
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-info-item .icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-info-item .text h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text);
}

.contact-info-item .text p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.contact-info-item .text .phone-large {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 400px;
  background: var(--color-bg-alt);
}

/* === 服务详情页 === */
.service-content h2 {
  font-size: 24px;
  color: var(--color-primary);
  margin: 30px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary-light);
}

.service-content h2:first-child {
  margin-top: 0;
}

.service-content p {
  font-size: 14px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.service-content ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.service-content ul li {
  font-size: 14px;
  line-height: 2;
  color: var(--color-text-light);
  position: relative;
  padding-left: 16px;
}

.service-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

.service-advantages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}

.advantage-item {
  display: flex;
  gap: 12px;
  padding: 20px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  align-items: flex-start;
}

.advantage-item i {
  font-size: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.advantage-item h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text);
}

.advantage-item p {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.6;
}

/* === 响应式 === */
@media (max-width: 1199px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-summary {
    flex-direction: column;
    gap: 30px;
  }

  .about-summary .image {
    flex: 0 0 auto;
    width: 100%;
    max-width: 500px;
  }

  .about-photo-cards {
    flex: 0 0 auto;
    width: 100%;
    max-width: 500px;
  }

  .why-choose-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-columns {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-layout {
    flex-direction: column;
  }

  .page-sidebar {
    width: 100%;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .service-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .industries-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .qualifications-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  :root {
    --header-height: 60px;
  }

  .header-inner {
    padding: 0 15px;
  }

  .logo img {
    height: 36px;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 16px;
    border-bottom: 3px solid var(--color-primary);
    box-shadow: var(--shadow-md);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    width: 100%;
    padding: 12px 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .header-phone {
    font-size: 14px;
  }

  .header-phone span {
    display: none;
  }

  .banner {
    height: 350px;
  }

  .section {
    padding: 50px 0;
  }

  .section-title {
    margin-bottom: 36px;
  }

  .section-title h2 {
    font-size: 24px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .process-columns {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .page-banner {
    padding: 40px 0;
  }

  .page-banner h1 {
    font-size: 24px;
  }

  .service-advantages {
    grid-template-columns: 1fr;
  }

  .service-showcase-grid {
    grid-template-columns: 1fr;
  }

  .showcase-card {
    aspect-ratio: 16/9;
  }

  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .industry-item {
    padding: 20px 12px;
  }

  .industry-item i {
    font-size: 28px;
  }

  .partners-grid {
    grid-template-columns: 1fr;
  }

  .qualifications-grid {
    grid-template-columns: 1fr;
  }

  .social-share {
    right: 10px;
  }

  .social-share-item {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .banner-arrow {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
}